package sicket;

import javafx.scene.shape.HLineTo;
import jdk.internal.org.objectweb.asm.commons.SerialVersionUIDAdder;

import java.io.*;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Scanner;

/**
 * 聊天室客户端
 */
public class Client {
    private Socket socket;
    public Client(){
        try {
            System.out.println("正在连接服务端");
            socket=new Socket("172.211.9.84",8088);
            System.out.println("与服务端建立链接");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void start(){

        try {
            //启动用来读取服务端消息的线程
            ServerHandler handler=new ServerHandler();
            Thread t=new Thread(handler);
            t.isDaemon();
            t.start();

            Scanner scan=new Scanner(System.in);

            OutputStream out= socket.getOutputStream();
            OutputStreamWriter osw=new OutputStreamWriter(out, StandardCharsets.UTF_8);
            BufferedWriter bw=new BufferedWriter(osw);
            PrintWriter pw=new PrintWriter(bw,true);
            while (true){
                String str=scan.next();
                if ("exit".equalsIgnoreCase(str)){
                    break;
                }
                pw.println(str);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                //关闭socket时会与服务端进行挥手操作
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

    public static void main(String[] args) {
        Client client=new Client();
        client.start();

    }

    /**
     * 该线程负责读取服务端输出的消息
     *
     */
    public class ServerHandler implements Runnable{
        public void run(){

            try {
                InputStream in = socket.getInputStream();
                InputStreamReader isr=new InputStreamReader(in,StandardCharsets.UTF_8);
                BufferedReader br=new BufferedReader(isr);
                String message;
                while ((message= br.readLine())!=null){
                    System.out.println(message);
                }

            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
